(Updates prices, adds details on sectors)
Nov 10 (Reuters) - Canada's main stock index hit a one-month high on Tuesday, led by gains in financial shares, as positive COVID-19 vaccine developments boosted hopes of a faster economic revival.
* Canadian drug developer Medicago said on Tuesday a combination of its experimental COVID-19 vaccine and GlaxoSmithKline's GSK.L vaccine booster produced virus-neutralizing antibodies in all healthy volunteers in an early-stage study. At 9:48 a.m. ET (1448 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 36.65 points, or 0.22%, at 16,512.51.
* Financials .SPTTFS gained 0.8%, the most among the three major sectors trading higher.
* Energy stocks .SPTTEN rose 0.6% as crude prices jumped about 1.5% as hopes that a COVID-19 vaccine could be on the horizon outweighed the expected negative impact on fuel demand from new lockdowns to contain the virus. O/R
* Limiting market gains, material stocks .GSPTTMT , which include precious and base metals miners and fertilizer companies, fell 0.5%.
* Endeavour Mining Corp EDV.TO fell 4.07% after the company said it was in talks with fellow West African-focused gold mining company Teranga Gold TGZ.TO over a potential merger, as it looks to add heft at a time of soaring gold prices. On the TSX, 117 issues were higher, while 100 issues declined for a 1.17-to-1 ratio favouring gainers, with 35.98 million shares traded.
* The largest percentage gainer on the TSX was Sleep Country Canada Holdings ZZZ.TO , which jumped 13.6%, after reporting improved quarterly sales.
* Aurora Cannabis ACB.TO fell 23.3%, the most on the TSX, while the second biggest decliner was Kinaxis Inc KXS.TO , down 6.7%.
* The TSX posted two new 52-week highs and no new low.
* Across all Canadian issues there were 10 new 52-week highs and three new lows, with total volume of 63.11 million shares.